TSTP Solution File: SET069+1 by E---3.1.00

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E---3.1.00
% Problem  : SET069+1 : TPTP v8.2.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n014.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue May 21 02:52:56 EDT 2024

% Result   : Theorem 11.47s 1.93s
% Output   : CNFRefutation 11.47s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   51 (  10 unt;   0 def)
%            Number of atoms       :  139 (  47 equ)
%            Maximal formula atoms :   11 (   2 avg)
%            Number of connectives :  134 (  46   ~;  64   |;  16   &)
%                                         (   3 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   94 (   6 sgn  29   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(unordered_pair_defn,axiom,
    ! [X3,X1,X2] :
      ( member(X3,unordered_pair(X1,X2))
    <=> ( member(X3,universal_class)
        & ( X3 = X1
          | X3 = X2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',unordered_pair_defn) ).

fof(singleton_set_defn,axiom,
    ! [X1] : singleton(X1) = unordered_pair(X1,X1),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',singleton_set_defn) ).

fof(subclass_defn,axiom,
    ! [X1,X2] :
      ( subclass(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',subclass_defn) ).

fof(class_elements_are_sets,axiom,
    ! [X1] : subclass(X1,universal_class),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',class_elements_are_sets) ).

fof(regularity,axiom,
    ! [X1] :
      ( X1 != null_class
     => ? [X3] :
          ( member(X3,universal_class)
          & member(X3,X1)
          & disjoint(X3,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',regularity) ).

fof(extensionality,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ( subclass(X1,X2)
        & subclass(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',extensionality) ).

fof(pair_contains_only_other2,conjecture,
    ! [X1,X2] :
      ( ~ member(X2,universal_class)
     => unordered_pair(X1,X2) = singleton(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pair_contains_only_other2) ).

fof(c_0_7,plain,
    ! [X24,X25,X26] :
      ( ( member(X24,universal_class)
        | ~ member(X24,unordered_pair(X25,X26)) )
      & ( X24 = X25
        | X24 = X26
        | ~ member(X24,unordered_pair(X25,X26)) )
      & ( X24 != X25
        | ~ member(X24,universal_class)
        | member(X24,unordered_pair(X25,X26)) )
      & ( X24 != X26
        | ~ member(X24,universal_class)
        | member(X24,unordered_pair(X25,X26)) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[unordered_pair_defn])])])]) ).

fof(c_0_8,plain,
    ! [X12] : singleton(X12) = unordered_pair(X12,X12),
    inference(variable_rename,[status(thm)],[singleton_set_defn]) ).

cnf(c_0_9,plain,
    ( X1 = X2
    | X1 = X3
    | ~ member(X1,unordered_pair(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_10,plain,
    singleton(X1) = unordered_pair(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_11,plain,
    ! [X29,X30,X31,X32,X33] :
      ( ( ~ subclass(X29,X30)
        | ~ member(X31,X29)
        | member(X31,X30) )
      & ( member(esk3_2(X32,X33),X32)
        | subclass(X32,X33) )
      & ( ~ member(esk3_2(X32,X33),X33)
        | subclass(X32,X33) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[subclass_defn])])])])])])]) ).

fof(c_0_12,plain,
    ! [X39] : subclass(X39,universal_class),
    inference(variable_rename,[status(thm)],[class_elements_are_sets]) ).

cnf(c_0_13,plain,
    ( X1 = X2
    | ~ member(X1,singleton(X2)) ),
    inference(spm,[status(thm)],[c_0_9,c_0_10]) ).

cnf(c_0_14,plain,
    ( member(esk3_2(X1,X2),X1)
    | subclass(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_15,plain,
    ( member(X3,X2)
    | ~ subclass(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    subclass(X1,universal_class),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

fof(c_0_17,plain,
    ! [X1] :
      ( X1 != null_class
     => ? [X3] :
          ( member(X3,universal_class)
          & member(X3,X1)
          & disjoint(X3,X1) ) ),
    inference(fof_simplification,[status(thm)],[regularity]) ).

fof(c_0_18,plain,
    ! [X89,X90] :
      ( ( subclass(X89,X90)
        | X89 != X90 )
      & ( subclass(X90,X89)
        | X89 != X90 )
      & ( ~ subclass(X89,X90)
        | ~ subclass(X90,X89)
        | X89 = X90 ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[extensionality])])])]) ).

cnf(c_0_19,plain,
    ( subclass(X1,X2)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_20,plain,
    ( esk3_2(singleton(X1),X2) = X1
    | subclass(singleton(X1),X2) ),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_21,plain,
    ( member(X1,universal_class)
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_22,plain,
    ( esk3_2(unordered_pair(X1,X2),X3) = X2
    | esk3_2(unordered_pair(X1,X2),X3) = X1
    | subclass(unordered_pair(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_9,c_0_14]) ).

fof(c_0_23,plain,
    ! [X63] :
      ( ( member(esk5_1(X63),universal_class)
        | X63 = null_class )
      & ( member(esk5_1(X63),X63)
        | X63 = null_class )
      & ( disjoint(esk5_1(X63),X63)
        | X63 = null_class ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_17])])])]) ).

cnf(c_0_24,plain,
    ( X1 = X2
    | ~ subclass(X1,X2)
    | ~ subclass(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_25,plain,
    ( subclass(singleton(X1),X2)
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_26,plain,
    ( member(esk3_2(X1,X2),universal_class)
    | subclass(X1,X2) ),
    inference(spm,[status(thm)],[c_0_21,c_0_14]) ).

cnf(c_0_27,plain,
    ( esk3_2(unordered_pair(X1,X2),X3) = X2
    | subclass(unordered_pair(X1,X2),X3)
    | ~ member(X1,X3) ),
    inference(spm,[status(thm)],[c_0_19,c_0_22]) ).

cnf(c_0_28,plain,
    ( member(esk5_1(X1),X1)
    | X1 = null_class ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_29,plain,
    ( X1 = singleton(X2)
    | ~ member(X2,X1)
    | ~ subclass(X1,singleton(X2)) ),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_30,plain,
    ( member(X1,universal_class)
    | subclass(unordered_pair(X2,X1),X3)
    | ~ member(X2,X3) ),
    inference(spm,[status(thm)],[c_0_26,c_0_27]) ).

cnf(c_0_31,plain,
    ( member(X1,unordered_pair(X2,X3))
    | X1 != X2
    | ~ member(X1,universal_class) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_32,plain,
    ( member(X1,unordered_pair(X3,X2))
    | X1 != X2
    | ~ member(X1,universal_class) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

fof(c_0_33,negated_conjecture,
    ~ ! [X1,X2] :
        ( ~ member(X2,universal_class)
       => unordered_pair(X1,X2) = singleton(X1) ),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[pair_contains_only_other2])]) ).

cnf(c_0_34,plain,
    ( member(esk5_1(X1),universal_class)
    | X1 = null_class ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_35,plain,
    ( esk5_1(unordered_pair(X1,X2)) = X2
    | esk5_1(unordered_pair(X1,X2)) = X1
    | unordered_pair(X1,X2) = null_class ),
    inference(spm,[status(thm)],[c_0_9,c_0_28]) ).

cnf(c_0_36,plain,
    ( unordered_pair(X1,X2) = singleton(X3)
    | member(X2,universal_class)
    | ~ member(X3,unordered_pair(X1,X2))
    | ~ member(X1,singleton(X3)) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_37,plain,
    ( member(X1,unordered_pair(X1,X2))
    | ~ member(X1,universal_class) ),
    inference(er,[status(thm)],[c_0_31]) ).

cnf(c_0_38,plain,
    ( member(X1,unordered_pair(X2,X1))
    | ~ member(X1,universal_class) ),
    inference(er,[status(thm)],[c_0_32]) ).

fof(c_0_39,negated_conjecture,
    ( ~ member(esk2_0,universal_class)
    & unordered_pair(esk1_0,esk2_0) != singleton(esk1_0) ),
    inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_33])])])]) ).

cnf(c_0_40,plain,
    ( esk5_1(unordered_pair(X1,X2)) = X2
    | unordered_pair(X1,X2) = null_class
    | member(X1,universal_class) ),
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_41,plain,
    ( esk5_1(singleton(X1)) = X1
    | singleton(X1) = null_class ),
    inference(spm,[status(thm)],[c_0_13,c_0_28]) ).

cnf(c_0_42,plain,
    ( unordered_pair(X1,X2) = singleton(X1)
    | member(X2,universal_class)
    | ~ member(X1,singleton(X1)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_21]) ).

cnf(c_0_43,plain,
    ( member(X1,singleton(X1))
    | ~ member(X1,universal_class) ),
    inference(spm,[status(thm)],[c_0_38,c_0_10]) ).

cnf(c_0_44,negated_conjecture,
    unordered_pair(esk1_0,esk2_0) != singleton(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_39]) ).

cnf(c_0_45,plain,
    ( unordered_pair(X1,X2) = null_class
    | member(X1,universal_class)
    | member(X2,universal_class) ),
    inference(spm,[status(thm)],[c_0_34,c_0_40]) ).

cnf(c_0_46,negated_conjecture,
    ~ member(esk2_0,universal_class),
    inference(split_conjunct,[status(thm)],[c_0_39]) ).

cnf(c_0_47,plain,
    ( singleton(X1) = null_class
    | member(X1,universal_class) ),
    inference(spm,[status(thm)],[c_0_34,c_0_41]) ).

cnf(c_0_48,plain,
    ( unordered_pair(X1,X2) = singleton(X1)
    | member(X2,universal_class)
    | ~ member(X1,universal_class) ),
    inference(spm,[status(thm)],[c_0_42,c_0_43]) ).

cnf(c_0_49,negated_conjecture,
    member(esk1_0,universal_class),
    inference(csr,[status(thm)],[inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46]),c_0_47]) ).

cnf(c_0_50,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_48]),c_0_49])]),c_0_46]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET069+1 : TPTP v8.2.0. Bugfixed v5.4.0.
% 0.11/0.13  % Command    : run_E %s %d THM
% 0.13/0.37  % Computer : n014.cluster.edu
% 0.13/0.37  % Model    : x86_64 x86_64
% 0.13/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.37  % Memory   : 8042.1875MB
% 0.13/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.37  % CPULimit   : 300
% 0.13/0.37  % WCLimit    : 300
% 0.13/0.37  % DateTime   : Mon May 20 11:04:38 EDT 2024
% 0.13/0.37  % CPUTime    : 
% 0.22/0.48  Running first-order theorem proving
% 0.22/0.48  Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 11.47/1.93  # Version: 3.1.0
% 11.47/1.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 11.47/1.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 11.47/1.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 11.47/1.93  # Starting new_bool_3 with 300s (1) cores
% 11.47/1.93  # Starting new_bool_1 with 300s (1) cores
% 11.47/1.93  # Starting sh5l with 300s (1) cores
% 11.47/1.93  # sh5l with pid 19807 completed with status 0
% 11.47/1.93  # Result found by sh5l
% 11.47/1.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 11.47/1.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 11.47/1.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 11.47/1.93  # Starting new_bool_3 with 300s (1) cores
% 11.47/1.93  # Starting new_bool_1 with 300s (1) cores
% 11.47/1.93  # Starting sh5l with 300s (1) cores
% 11.47/1.93  # SinE strategy is gf500_gu_R04_F100_L20000
% 11.47/1.93  # Search class: FGHSM-FFMS31-MFFFFFNN
% 11.47/1.93  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 11.47/1.93  # Starting G-E--_103_C18_F1_PI_AE_Q4_CS_SP_S0Y with 130s (1) cores
% 11.47/1.93  # G-E--_103_C18_F1_PI_AE_Q4_CS_SP_S0Y with pid 19810 completed with status 0
% 11.47/1.93  # Result found by G-E--_103_C18_F1_PI_AE_Q4_CS_SP_S0Y
% 11.47/1.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 11.47/1.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 11.47/1.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 11.47/1.93  # Starting new_bool_3 with 300s (1) cores
% 11.47/1.93  # Starting new_bool_1 with 300s (1) cores
% 11.47/1.93  # Starting sh5l with 300s (1) cores
% 11.47/1.93  # SinE strategy is gf500_gu_R04_F100_L20000
% 11.47/1.93  # Search class: FGHSM-FFMS31-MFFFFFNN
% 11.47/1.93  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 11.47/1.93  # Starting G-E--_103_C18_F1_PI_AE_Q4_CS_SP_S0Y with 130s (1) cores
% 11.47/1.93  # Preprocessing time       : 0.002 s
% 11.47/1.93  
% 11.47/1.93  # Proof found!
% 11.47/1.93  # SZS status Theorem
% 11.47/1.93  # SZS output start CNFRefutation
% See solution above
% 11.47/1.93  # Parsed axioms                        : 44
% 11.47/1.93  # Removed by relevancy pruning/SinE    : 3
% 11.47/1.93  # Initial clauses                      : 84
% 11.47/1.93  # Removed in clause preprocessing      : 0
% 11.47/1.93  # Initial clauses in saturation        : 84
% 11.47/1.93  # Processed clauses                    : 3889
% 11.47/1.93  # ...of these trivial                  : 57
% 11.47/1.93  # ...subsumed                          : 2665
% 11.47/1.93  # ...remaining for further processing  : 1167
% 11.47/1.93  # Other redundant clauses eliminated   : 51
% 11.47/1.93  # Clauses deleted for lack of memory   : 0
% 11.47/1.93  # Backward-subsumed                    : 20
% 11.47/1.93  # Backward-rewritten                   : 85
% 11.47/1.93  # Generated clauses                    : 83733
% 11.47/1.93  # ...of the previous two non-redundant : 78270
% 11.47/1.93  # ...aggressively subsumed             : 0
% 11.47/1.93  # Contextual simplify-reflections      : 30
% 11.47/1.93  # Paramodulations                      : 83496
% 11.47/1.93  # Factorizations                       : 184
% 11.47/1.93  # NegExts                              : 0
% 11.47/1.93  # Equation resolutions                 : 53
% 11.47/1.93  # Disequality decompositions           : 0
% 11.47/1.93  # Total rewrite steps                  : 33103
% 11.47/1.93  # ...of those cached                   : 32491
% 11.47/1.93  # Propositional unsat checks           : 0
% 11.47/1.93  #    Propositional check models        : 0
% 11.47/1.93  #    Propositional check unsatisfiable : 0
% 11.47/1.93  #    Propositional clauses             : 0
% 11.47/1.93  #    Propositional clauses after purity: 0
% 11.47/1.93  #    Propositional unsat core size     : 0
% 11.47/1.93  #    Propositional preprocessing time  : 0.000
% 11.47/1.93  #    Propositional encoding time       : 0.000
% 11.47/1.93  #    Propositional solver time         : 0.000
% 11.47/1.93  #    Success case prop preproc time    : 0.000
% 11.47/1.93  #    Success case prop encoding time   : 0.000
% 11.47/1.93  #    Success case prop solver time     : 0.000
% 11.47/1.93  # Current number of processed clauses  : 1058
% 11.47/1.93  #    Positive orientable unit clauses  : 89
% 11.47/1.93  #    Positive unorientable unit clauses: 1
% 11.47/1.93  #    Negative unit clauses             : 25
% 11.47/1.93  #    Non-unit-clauses                  : 943
% 11.47/1.93  # Current number of unprocessed clauses: 74279
% 11.47/1.93  # ...number of literals in the above   : 266623
% 11.47/1.93  # Current number of archived formulas  : 0
% 11.47/1.93  # Current number of archived clauses   : 105
% 11.47/1.93  # Clause-clause subsumption calls (NU) : 136288
% 11.47/1.93  # Rec. Clause-clause subsumption calls : 94348
% 11.47/1.93  # Non-unit clause-clause subsumptions  : 1720
% 11.47/1.93  # Unit Clause-clause subsumption calls : 5027
% 11.47/1.93  # Rewrite failures with RHS unbound    : 0
% 11.47/1.93  # BW rewrite match attempts            : 170
% 11.47/1.93  # BW rewrite match successes           : 26
% 11.47/1.93  # Condensation attempts                : 0
% 11.47/1.93  # Condensation successes               : 0
% 11.47/1.93  # Termbank termtop insertions          : 1650759
% 11.47/1.93  # Search garbage collected termcells   : 927
% 11.47/1.93  
% 11.47/1.93  # -------------------------------------------------
% 11.47/1.93  # User time                : 1.335 s
% 11.47/1.93  # System time              : 0.064 s
% 11.47/1.93  # Total time               : 1.399 s
% 11.47/1.93  # Maximum resident set size: 1924 pages
% 11.47/1.93  
% 11.47/1.93  # -------------------------------------------------
% 11.47/1.93  # User time                : 1.336 s
% 11.47/1.93  # System time              : 0.067 s
% 11.47/1.93  # Total time               : 1.403 s
% 11.47/1.93  # Maximum resident set size: 1760 pages
% 11.47/1.93  % E---3.1 exiting
% 11.47/1.93  % E exiting
%------------------------------------------------------------------------------